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Validating polyphenol intake estimates from a food-frequency questionnaire by using repeated 24-h dietary recalls and a unique method-of-triads approach with 2 biomarkers
Adventist Health Study method of triads phytochemicals polyphenols urinary polyphenols
2018/11/13
Background: The assessment of polyphenol intake in free-living subjects is challenging, mostly because of the difficulty in accurately measuring phenolic content and the wide presence of phenolics in ...
Dietary glycemic load assessed by food-frequency questionnaire in relation to plasma high-density-lipoprotein cholesterol and fasting plasma triacylglycerols in postmenopausal women
glycemic index glycemic load women
2016/6/12
In metabolic studies, both greater carbohydrate
intakes and higher glycemic indexes (GIs) raise fasting triacylglycerol
concentrations. In epidemiologic studies, dietary
glycemic load (GL) is posit...
Validation of a self-administered food-frequency questionnaire administered in the European Prospective Investigation into Cancer and Nutrition (EPIC) Study: comparison of energy, protein, and macronutrient intakes estimated with the doubly labeled water, urinary nitrogen, and repeated 24-h dietary recall methods
Validity biomarkers energy expenditure
2016/6/1
The validation of dietary assessment instruments is
critical in the evaluation of diet as a chronic disease risk factor.
Reproducibility and validity of dietary patterns assessed with a food-frequency questionnaire
Diet dietary pattern factor analysis
2016/5/30
Recently, the analysis of dietary patterns has emerged
as a possible approach to examining diet-disease relations.
Validity and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire Adapted to an Israeli Population
Food frequency questionnaire reliability validity Israel
2009/1/16
Assessment of individual representative dietary practices in epidemiologic research has long been a challenge. Given the differences in eating habits and availability of foods between populations, a s...
Development of a semi-quantitative food frequency questionnaire for use in United Arab Emirates and Kuwait based on local foods
local foods semi-quantitative food
2008/4/23
The Food Frequency Questionnaire (FFQ) is one of the most commonly used tools in epidemiologic studies to assess long-term nutritional exposure. The purpose of this study is to describe the developmen...
Test-retest reproducibility of a food frequency questionnaire (FFQ) and estimated effects on disease risk in the Norwegian Women and Cancer Study (NOWAC)
FFQ reproducibility
2008/4/23
The Norwegian Women and Cancer Study (NOWAC) is a national population-based cohort study with 102 443 women enrolled at age 30–70 y from 1991 to 1997. The present study was a methodological sub-study ...
Validity and reproducibility of an interviewer-administered food frequency questionnaire for healthy French-Canadian men and women
reproducibility Validity
2008/4/23
To evaluate the validity (study 1) and the reproducibility (study 2) of an interviewer-administered food frequency questionnaire (FFQ).
Validity of a self-administered food frequency questionnaire (FFQ) and its generalizability to the estimation of dietary folate intake in Japan
FFQ a self-administered food
2008/4/23
In an epidemiological study, it is essential to test the validity of the food frequency questionnaire (FFQ) for its ability to estimate dietary intake. The objectives of our study were to 1) validate ...
Validation of a soy food-frequency questionnaire and evaluation of correlates of plasma isoflavone concentrations in postmenopausal women
Soy isoflavones postmenopausal women
2016/12/29
Soy foods may have various health benefits, but little is known about the patterns and correlates of soy consumption among postmenopausal women in the United States.
Reproducibility and validity of the Diet Quality Index Revised as assessed by use of a food-frequency questionnaire
Diet index diet quality dietary pattern
2017/1/4
The Diet Quality Index Revised (DQI-R) is a dietary assessment instrument based on 10 dietary recommendations reflecting dietary guidelines and policy in the United States.
Participant characteristics associated with errors in self-reported energy intake from the Women’s Health Initiative food-frequency questionnaire
Dietary records systematic bias dietary measurement error energy expenditure postmenopausal women Women’s Health Initiative
2016/12/19
Background: Errors in self-reported dietary intake threaten inferences from studies relying on instruments such as food-frequency questionnaires (FFQs), food records, and food recalls.Objective:&...
Alterations in growth and body composition during puberty. IV. Energy intake estimated by the Youth-Adolescent Food-Frequency Questionnaire: validation by the doubly labeled water method
Children adolescents youth-adolescent questionnaire Youth-Adolescent Food-Frequency Questionnaire food-frequency questionnaire energy expenditure energy intake
2016/6/8
Background: Estimates of energy intake are required for an
understanding of growth and disease; however, few methods of
energy intake in children have been validated.
Objective: Our objective was t...